A football player Adam with mass 91 kg jumps into the air to catch the football, with a horizontal velocity 1.7 m/s to the right. At the same time, another player Brett with mass 81 kg from the other team jumped up to intercept the ball, with a horizontal velocity of -1.0 m/s (negative indicates to the left). Immediatel
A football player Adam with mass 91 kg jumps into the air to catch the football, with a horizontal velocity 1.7 m/s to the right. At the same time, another player Brett with mass 81 kg from the other team jumped up to intercept the ball, with a horizontal velocity of -1.0 m/s (negative indicates to the left). Immediately after the two collided mid-air and grabbed each other, how fast are the players?
Assume neither caught the ball so the ball's mass isn't relevant. Include negative sign if your answer is negative, to indicate they are moving to the left.
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You managed to pull a heavy crate up a ramp on a truck. The crate has mass 47 kg. You were pulling with 464 N of force along the ramp while the ramp made an angle of theta=25.0 degrees with the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.45.
What is the acceleration of the crate along the ramp?
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